FR2556104B2 - Perfectionnements aux radars doppler a impulsions - Google Patents

Perfectionnements aux radars doppler a impulsions

Info

Publication number
FR2556104B2
FR2556104B2 FR7603145A FR7603145A FR2556104B2 FR 2556104 B2 FR2556104 B2 FR 2556104B2 FR 7603145 A FR7603145 A FR 7603145A FR 7603145 A FR7603145 A FR 7603145A FR 2556104 B2 FR2556104 B2 FR 2556104B2
Authority
FR
France
Prior art keywords
pulse doppler
doppler radars
radars
pulse
doppler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7603145A
Other languages
English (en)
Other versions
FR2556104A2 (fr
Inventor
Jean-Marie Henri Colin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR7533045A external-priority patent/FR2550347B1/fr
Application filed by Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR7603145A priority Critical patent/FR2556104B2/fr
Publication of FR2556104A2 publication Critical patent/FR2556104A2/fr
Application granted granted Critical
Publication of FR2556104B2 publication Critical patent/FR2556104B2/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/526—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
    • G01S13/528—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters with elimination of blind speeds

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7603145A 1975-10-29 1976-02-05 Perfectionnements aux radars doppler a impulsions Expired FR2556104B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7603145A FR2556104B2 (fr) 1975-10-29 1976-02-05 Perfectionnements aux radars doppler a impulsions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7533045A FR2550347B1 (fr) 1975-10-29 1975-10-29 Perfectionnements aux radars doppler a impulsions
FR7603145A FR2556104B2 (fr) 1975-10-29 1976-02-05 Perfectionnements aux radars doppler a impulsions

Publications (2)

Publication Number Publication Date
FR2556104A2 FR2556104A2 (fr) 1985-06-07
FR2556104B2 true FR2556104B2 (fr) 1988-06-03

Family

ID=26219124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7603145A Expired FR2556104B2 (fr) 1975-10-29 1976-02-05 Perfectionnements aux radars doppler a impulsions

Country Status (1)

Country Link
FR (1) FR2556104B2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8906520D0 (en) * 1989-03-21 1989-11-08 British Aerospace Synthetic aperture radar
AU2003250754A1 (en) * 2002-06-18 2003-12-31 Automotive Distance Control Systems Gmbh Digital filtering method
US7444365B2 (en) 2002-06-18 2008-10-28 A.D.C. Automotive Distance Control Systems Gmbh Non-linear digital rank filtering of input signal values

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3277473A (en) * 1963-12-09 1966-10-04 Sr Charles D Calhoun Digital technique for determining unambiguous information from ambiguous information
FR1515000A (fr) * 1966-09-21 1968-03-01 Labo Cent Telecommunicat Perfectionnements aux radars doppler cohérents à impulsions
US3765017A (en) * 1968-06-12 1973-10-09 North American Rockwell Amti range ambiguity resolver
FR2050644A5 (fr) * 1969-06-19 1971-04-02 Thomson Csf
US3787851A (en) * 1971-12-13 1974-01-22 Westinghouse Electric Corp Low prf pulse doppler radar having low speed ground moving target rejection
US3831174A (en) * 1973-02-05 1974-08-20 Hughes Aircraft Co Automatic target acquisition in mti radar system

Also Published As

Publication number Publication date
FR2556104A2 (fr) 1985-06-07

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Legal Events

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CL Concession to grant licenses
CA Change of address
TP Transmission of property